//
// Created by jsjxsy on 2022/7/8.
//
#include <stdio.h>
int main() {
  union{
    int arr[2];//4
    double d;//8
  } value={.d = 4};
  printf("arr[1]=%x\n", value.arr[1]);
  printf("arr[0]=%d, arr[1]=%d",value.arr[0], value.arr[1]);
  return 0;
}

